Append additional information to existing comments in the generic
interrupt configuration code to provide more context.
Signed-off-by: Akshay Jindal <akshayaj.lkd@gmail.com>
---
drivers/iio/accel/bma400_core.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/accel/bma400_core.c b/drivers/iio/accel/bma400_core.c
index 41e95291b36b..c42cdf0a1645 100644
--- a/drivers/iio/accel/bma400_core.c
+++ b/drivers/iio/accel/bma400_core.c
@@ -1208,7 +1208,10 @@ static int bma400_generic_event_en(struct bma400_data *data,
detect_criterion = bma400_genintr->detect_mode;
intrmask = bma400_genintr->intrmask;
- /* Enabling all axis for interrupt evaluation */
+ /*
+ * Enabling all axis for interrupt evaluation
+ * Acc_filt2 is recommended as data source in datasheet (Section 4.7)
+ */
ret = regmap_write(data->regmap, BMA400_GENINT_CONFIG_REG(genintr, 0),
BMA400_GENINT_CONFIG0_X_EN_MASK |
BMA400_GENINT_CONFIG0_Y_EN_MASK |
@@ -1226,7 +1229,10 @@ static int bma400_generic_event_en(struct bma400_data *data,
if (ret)
return ret;
- /* Initial value to avoid interrupts while enabling*/
+ /*
+ * Initial value to avoid interrupts while enabling
+ * Value is in units of 8mg/lsb, i.e. effective val is val * 8mg/lsb
+ */
ret = regmap_write(data->regmap, BMA400_GENINT_CONFIG_REG(genintr, 2), 0x0A);
if (ret)
return ret;
--
2.43.0